Home / 873,960.08-1,206,087.84-492,000.80

Finding the Fourth Proportional to 873,960.08, 1,206,087.84 and 492,000.80

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Solution

The fourth proportional to 873,960.08, 1,206,087.84 and 492,000.80 is: 678,974.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,960.08 : 1,206,087.84 = 492,000.80 : x
  2. Step 2: Convert to fraction form
    873,960.08/1,206,087.84 = 492,000.80/x
  3. Step 3: Cross multiply
    873,960.08x = 1,206,087.84 × 492,000.80
  4. Step 4: Simplify right side
    873,960.08x = 593,396,182,150.27
  5. Step 5: Solve for x
    x = 593,396,182,150.27/873,960.08
  6. Step 6: Final answer
    x = 678,974.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.